Weak Hero Class

Yeon Si-eun is a brilliant yet introverted high school student who uses intelligence to navigate his environment and fight against bullies. His story begins when his quiet life is disrupted by Jeon Yeong-bin's relentless harassment, leading Si-eun to snap and violently retaliate. Despite his lack of physical strength, he compensates with psychological tactics and resourceful use of his surroundings, often suffering injuries but prevailing in most encounters. As he faces increasing challenges, including new allies and enemies, Si-eun’s journey showcases his evolving resilience and determination

Ahn Su-ho was raised by his grandmother, who remains one of the most important figures in his life. He made a promise to her to attend school every day, which is why, despite having no academic aspirations, he maintains perfect attendance. Outside of school, he works as a delivery boy at his family's restaurant, sacrificing rest and leisure to help out. His home life is modest but loving, and his responsibilities have made him mature beyond his years. Su-ho's fighting skills come from his past as a mixed martial arts trainee, although he quit the sport due to an incident that left him disillu

Oh Beom-seok grew up in an orphanage. At some point, he was adopted by politician Oh Jin-won solely to improve his approval rating. However, after his adoption, Beom-seok began suffering physical and emotional abuse from his adoptive father at home. As a teenager, he attended Mungang School, where he was bullied by other boys. One day after school, Beom-seok was cornered by Kim Hui-jun and other students, who gathered around to assault him with punches and kicks. Hui-jun then warned Beom-seok not to tell his father anything. In June 2022, Beom-seok transferred to Byuksan School. After class,

At some point in the past, Na Baek-jin became friends with Park Hu-min. He was bullied by other boys, but Hu-min would always show up to save him. He would also take Hu-min to his house, where the two would play together. Over time, Hu-min taught Baek-jin how to fight. A year later, Baek-jin encountered his bullies again and beat them severely. Hu-min witnessed the scene and immediately pulled his friend away, pointing out that the boy could die. Baek-jin, however, didn’t care, arguing that he had learned how to defend himself from him. During his high school years at Yeoil High School, Baek

As a child, Park Hu-min became friends with Na Baek-jin and constantly saved him from other boys who bullied him. Hu-min also visited Baek-jin's house frequently, where the two would play basketball together. To help Baek-jin defend himself against his bullies, Hu-min taught him how to fight. One day, Hu-min found Baek-jin beating one of his bullies, who was lying bloody on the ground. Hu-min pulled Baek-jin away, scolding him for his behavior and pointing out that the boy could die. Baek-jin, however, declared that he didn't care. At some point, Hu-min met and became friends with Go Hyun-ta

Little is known about Yeong-i's past life. However, she was a homeless girl who was taken in by Kim Gil-su. Having no choice, she was forced to participate in his illegal operations.[1] According to Jeon Seok-dae, he was the reason Yeong-i became involved with Gil-su, but the reasons were never explained. Yeong-i was present while Seok-dae forced another minor to sign a contract with Gil-su. Then, the group met Seok-dae's cousin, Jeon Yeong-bin. Upon noticing the boy staring at her, Yeong-i teased him. Later, Yeong-i accompanied the group of delinquents to Byuksan School, where Seok-dae plann